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Add CPU affinity for PoH service thread (#4394) 

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This commit is contained in:
Pankaj Garg 2019-05-22 14:21:43 -07:00 committed by Grimes
parent 190656967d
commit eef2bdf690
3 changed files with 18 additions and 0 deletions
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13
Cargo.lock generated
View File

@ -464,6 +464,17 @@ dependencies = [
"libc 0.2.55 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "core_affinity"
version = "0.5.9"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
"libc 0.2.55 (registry+https://github.com/rust-lang/crates.io-index)",
"num_cpus 1.10.0 (registry+https://github.com/rust-lang/crates.io-index)",
"winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "crc"
version = "1.8.1"
@ -2157,6 +2168,7 @@ dependencies = [
"bs58 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
"byteorder 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
"chrono 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
"core_affinity 0.5.9 (registry+https://github.com/rust-lang/crates.io-index)",
"crc 1.8.1 (registry+https://github.com/rust-lang/crates.io-index)",
"hashbrown 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
"hex-literal 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
@ -3456,6 +3468,7 @@ dependencies = [
"checksum cookie_store 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "46750b3f362965f197996c4448e4a0935e791bf7d6631bfce9ee0af3d24c919c"
"checksum core-foundation 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)" = "286e0b41c3a20da26536c6000a280585d519fd07b3956b43aed8a79e9edce980"
"checksum core-foundation-sys 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)" = "716c271e8613ace48344f723b60b900a93150271e5be206212d052bbc0883efa"
"checksum core_affinity 0.5.9 (registry+https://github.com/rust-lang/crates.io-index)" = "6d162c6e463c31dbf78fefa99d042156c1c74d404e299cfe3df2923cb857595b"
"checksum crc 1.8.1 (registry+https://github.com/rust-lang/crates.io-index)" = "d663548de7f5cca343f1e0a48d14dcfb0e9eb4e079ec58883b7251539fa10aeb"
"checksum crc32fast 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ba125de2af0df55319f41944744ad91c71113bf74a4646efff39afe1f6842db1"
"checksum crossbeam-deque 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "f739f8c5363aca78cfb059edf753d8f0d36908c348f3d8d1503f03d8b75d9cf3"

1
core/Cargo.toml
View File

@ -25,6 +25,7 @@ bs58 = "0.2.0"
byteorder = "1.3.1"
chrono = { version = "0.4.0", features = ["serde"] }
crc = { version = "1.8.1", optional = true }
core_affinity = "0.5.9"
hashbrown = "0.2.0"
indexmap = "1.0"
itertools = "0.8.0"

4
core/src/poh_service.rs
View File

@ -2,6 +2,7 @@
//! "ticks", a measure of time in the PoH stream
use crate::poh_recorder::PohRecorder;
use crate::service::Service;
use core_affinity;
use solana_sdk::poh_config::PohConfig;
use std::sync::atomic::{AtomicBool, Ordering};
use std::sync::{Arc, Mutex};
@ -33,6 +34,9 @@ impl PohService {
if poh_config.hashes_per_tick.is_none() {
Self::sleepy_tick_producer(poh_recorder, &poh_config, &poh_exit_);
} else {
if let Some(cores) = core_affinity::get_core_ids() {
core_affinity::set_for_current(cores[0]);
}
Self::tick_producer(poh_recorder, &poh_exit_);
}
poh_exit_.store(true, Ordering::Relaxed);